18796440 has 64 divisors (see below), whose sum is σ = 60732000. Its totient is φ = 4626432.

The previous prime is 18796433. The next prime is 18796483. The reversal of 18796440 is 4469781.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4465 + ... + 7584.

Almost surely, 2^18796440 is an apocalyptic number.

18796440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18796440 is an abundant number, since it is smaller than the sum of its proper divisors (41935560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18796440 is a wasteful number, since it uses less digits than its factorization.

18796440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12076 (or 12072 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 18796440 is about 4335.4861319119. The cubic root of 18796440 is about 265.8837941920.

The spelling of 18796440 in words is "eighteen million, seven hundred ninety-six thousand, four hundred forty".